mirror of
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1882 lines
67 KiB
Java
1882 lines
67 KiB
Java
/*
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* This file is modified by Ivan Maidanski <ivmai@ivmaisoft.com>
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* Project name: JCGO-SUNAWT (http://www.ivmaisoft.com/jcgo/)
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*/
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/*
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* @(#)RasterPrinterJob.java 1.50 03/01/23
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*
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* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
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* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*/
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package sun.print;
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import java.io.FilePermission;
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import java.awt.Color;
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import java.awt.Dialog;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.GraphicsConfiguration;
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import java.awt.GraphicsEnvironment;
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import java.awt.HeadlessException;
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import java.awt.KeyboardFocusManager;
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import java.awt.Rectangle;
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import java.awt.Shape;
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import java.awt.Window;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Area;
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import java.awt.geom.Rectangle2D;
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import java.awt.image.BufferedImage;
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import java.awt.print.Book;
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import java.awt.print.Pageable;
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import java.awt.print.PageFormat;
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import java.awt.print.Paper;
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import java.awt.print.Printable;
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import java.awt.print.PrinterAbortException;
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import java.awt.print.PrinterException;
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import java.awt.print.PrinterJob;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.Locale;
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import sun.awt.image.ByteInterleavedRaster;
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import javax.print.Doc;
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import javax.print.DocFlavor;
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import javax.print.DocPrintJob;
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import javax.print.PrintException;
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import javax.print.PrintService;
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import javax.print.PrintServiceLookup;
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import javax.print.ServiceUI;
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import javax.print.StreamPrintService;
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import javax.print.StreamPrintServiceFactory;
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import javax.print.attribute.Attribute;
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import javax.print.attribute.AttributeSet;
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import javax.print.attribute.HashPrintRequestAttributeSet;
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import javax.print.attribute.PrintRequestAttributeSet;
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import javax.print.attribute.Size2DSyntax;
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import javax.print.attribute.standard.Chromaticity;
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import javax.print.attribute.standard.Copies;
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import javax.print.attribute.standard.Destination;
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import javax.print.attribute.standard.Fidelity;
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import javax.print.attribute.standard.JobName;
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import javax.print.attribute.standard.JobSheets;
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import javax.print.attribute.standard.Media;
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import javax.print.attribute.standard.MediaPrintableArea;
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import javax.print.attribute.standard.MediaSize;
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import javax.print.attribute.standard.MediaSizeName;
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import javax.print.attribute.standard.OrientationRequested;
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import javax.print.attribute.standard.PageRanges;
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import javax.print.attribute.standard.RequestingUserName;
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import javax.print.attribute.standard.SheetCollate;
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import javax.print.attribute.standard.Sides;
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import sun.print.PageableDoc;
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import sun.print.ServiceDialog;
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import sun.print.SunPrinterJobService;
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/**
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* A class which rasterizes a printer job.
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*
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* @version 1.0 26 Jan 1998
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* @author Richard Blanchard
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*/
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public abstract class RasterPrinterJob extends PrinterJob {
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/* Class Constants */
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/* Printer destination type. */
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protected static final int PRINTER = 0;
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/* File destination type. */
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protected static final int FILE = 1;
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/* Stream destination type. */
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protected static final int STREAM = 2;
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/**
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* Maximum amount of memory in bytes to use for the
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* buffered image "band". 4Mb is a compromise between
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* limiting the number of bands on hi-res printers and
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* not using too much of the Java heap or causing paging
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* on systems with little RAM.
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*/
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private static final int MAX_BAND_SIZE = (1024 * 1024 * 4);
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private static final float DPI = 72f;
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/* Instance Variables */
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/**
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* Used to minimise GC & reallocation of band when printing
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*/
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private int cachedBandWidth = 0;
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private int cachedBandHeight = 0;
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private BufferedImage cachedBand = null;
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/**
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* The number of book copies to be printed.
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*/
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private int mNumCopies = 1;
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/**
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* Collation effects the order of the pages printed
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* when multiple copies are requested. For two copies
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* of a three page document the page order is:
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* mCollate true: 1, 2, 3, 1, 2, 3
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* mCollate false: 1, 1, 2, 2, 3, 3
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*/
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private boolean mCollate = false;
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/**
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* The zero based indices of the first and last
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* pages to be printed. If 'mFirstPage' is
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* UNDEFINED_PAGE_NUM then the first page to
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* be printed is page 0. If 'mLastPage' is
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* UNDEFINED_PAGE_NUM then the last page to
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* be printed is the last one in the book.
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*/
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private int mFirstPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
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private int mLastPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
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/**
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* The document to be printed. It is initialized to an
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* empty (zero pages) book.
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*/
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private Pageable mDocument = new Book();
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/**
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* The name of the job being printed.
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*/
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private String mDocName = new String("Java Printing");
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/**
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* Printing cancellation flags
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*/
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private boolean performingPrinting = false;
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private boolean userCancelled = false;
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/**
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* Print to file permission variables.
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*/
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private FilePermission printToFilePermission;
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/**
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* List of areas & the graphics state for redrawing
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*/
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private ArrayList redrawList = new ArrayList();
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/* variables representing values extracted from an attribute set.
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* These take precedence over values set on a printer job
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*/
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private int copiesAttr;
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private String jobNameAttr;
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private String userNameAttr;
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private PageRanges pageRangesAttr;
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protected Sides sidesAttr;
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protected String destinationAttr;
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protected boolean noJobSheet = false;
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protected int mDestType = RasterPrinterJob.FILE;
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protected String mDestination = "";
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protected boolean collateAttReq = false;
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/**
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* attributes used by no-args page and print dialog and print method to
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* communicate state
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*/
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protected PrintRequestAttributeSet attributes = null;
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/**
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* Class to keep state information for redrawing areas
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*/
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private class GraphicsState {
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Rectangle2D region; //
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Shape theClip;
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AffineTransform theTransform;
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double sx;
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double sy;
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Rectangle2D imageSrcRect; // source part of the image
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AffineTransform imageTransform; // used to set device clip
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}
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/**
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* Service for this job
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*/
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private PrintService myService;
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/* Constructors */
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public RasterPrinterJob()
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{
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}
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/* Abstract Methods */
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/**
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* Returns the resolution in dots per inch across the width
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* of the page.
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*/
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abstract protected double getXRes();
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/**
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* Returns the resolution in dots per inch down the height
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* of the page.
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*/
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abstract protected double getYRes();
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/**
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* Must be obtained from the current printer.
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* Value is in device pixels.
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* Not adjusted for orientation of the paper.
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*/
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abstract protected double getPhysicalPrintableX(Paper p);
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/**
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* Must be obtained from the current printer.
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* Value is in device pixels.
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* Not adjusted for orientation of the paper.
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*/
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abstract protected double getPhysicalPrintableY(Paper p);
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/**
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* Must be obtained from the current printer.
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* Value is in device pixels.
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* Not adjusted for orientation of the paper.
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*/
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abstract protected double getPhysicalPrintableWidth(Paper p);
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/**
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* Must be obtained from the current printer.
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* Value is in device pixels.
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* Not adjusted for orientation of the paper.
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*/
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abstract protected double getPhysicalPrintableHeight(Paper p);
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/**
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* Must be obtained from the current printer.
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* Value is in device pixels.
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* Not adjusted for orientation of the paper.
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*/
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abstract protected double getPhysicalPageWidth(Paper p);
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/**
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* Must be obtained from the current printer.
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* Value is in device pixels.
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* Not adjusted for orientation of the paper.
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*/
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abstract protected double getPhysicalPageHeight(Paper p);
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/**
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* Begin a new page. This call's Window's
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* StartPage routine.
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*/
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abstract protected void startPage(PageFormat format, Printable painter,
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int index)
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throws PrinterException;
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/**
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* End a page.
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*/
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abstract protected void endPage(PageFormat format, Printable painter,
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int index)
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throws PrinterException;
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/**
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* Prints the contents of the array of ints, 'data'
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* to the current page. The band is placed at the
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* location (x, y) in device coordinates on the
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* page. The width and height of the band is
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* specified by the caller.
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*/
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abstract protected void printBand(byte[] data, int x, int y,
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int width, int height)
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throws PrinterException;
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/* Instance Methods */
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/**
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* save graphics state of a PathGraphics for later redrawing
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* of part of page represented by the region in that state
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*/
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public void saveState(AffineTransform at, Shape clip, Rectangle2D region,
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double sx, double sy,
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Rectangle2D srcRect, AffineTransform xform) {
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GraphicsState gstate = new GraphicsState();
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gstate.theTransform = at;
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gstate.theClip = clip;
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gstate.region = region;
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gstate.sx = sx;
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gstate.sy = sy;
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gstate.imageTransform = xform;
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gstate.imageSrcRect = srcRect;
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redrawList.add(gstate);
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}
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/*
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* A convenience method which returns the default service
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* for 2D <code>PrinterJob</code>s.
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* May return null if there is no suitable default (although there
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* may still be 2D services available).
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* @return default 2D print service, or null.
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* @since 1.4
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*/
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protected static PrintService lookupDefaultPrintService() {
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PrintService service = PrintServiceLookup.lookupDefaultPrintService();
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/* Pageable implies Printable so checking both isn't strictly needed */
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if (service != null &&
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service.isDocFlavorSupported(
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DocFlavor.SERVICE_FORMATTED.PAGEABLE) &&
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service.isDocFlavorSupported(
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DocFlavor.SERVICE_FORMATTED.PRINTABLE)) {
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return service;
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} else {
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PrintService []services =
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PrintServiceLookup.lookupPrintServices(
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DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
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if (services.length > 0) {
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return services[0];
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}
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}
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return null;
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}
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/**
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* Returns the service (printer) for this printer job.
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* Implementations of this class which do not support print services
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* may return null;
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* @return the service for this printer job.
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*
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*/
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public PrintService getPrintService() {
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if (myService == null) {
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PrintService svc = PrintServiceLookup.lookupDefaultPrintService();
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if (svc != null &&
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svc.isDocFlavorSupported(
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DocFlavor.SERVICE_FORMATTED.PAGEABLE)) {
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try {
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setPrintService(svc);
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myService = svc;
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} catch (PrinterException e) {
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}
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}
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if (myService == null) {
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PrintService[] svcs = PrintServiceLookup.lookupPrintServices(
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DocFlavor.SERVICE_FORMATTED.PAGEABLE, null);
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if (svcs.length > 0) {
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try {
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setPrintService(svcs[0]);
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myService = svcs[0];
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} catch (PrinterException e) {
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}
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}
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}
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}
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return myService;
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}
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/**
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* Associate this PrinterJob with a new PrintService.
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*
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* Throws <code>PrinterException</code> if the specified service
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* cannot support the <code>Pageable</code> and
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* </code>Printable</code> interfaces necessary to support 2D printing.
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* @param a print service which supports 2D printing.
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*
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* @throws PrinterException if the specified service does not support
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* 2D printing.
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*/
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public void setPrintService(PrintService service)
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throws PrinterException {
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if (service == null) {
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throw new PrinterException("Service cannot be null");
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} else if (service.isDocFlavorSupported(
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DocFlavor.SERVICE_FORMATTED.PAGEABLE) &&
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service.isDocFlavorSupported(
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DocFlavor.SERVICE_FORMATTED.PRINTABLE)) {
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myService = service;
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} else {
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throw new PrinterException("Not a 2D print service: " + service);
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}
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}
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/**
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* Display a dialog to the user allowing the modification of a
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* PageFormat instance.
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* The <code>page</code> argument is used to initialize controls
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* in the page setup dialog.
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* If the user cancels the dialog, then the method returns the
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* original <code>page</code> object unmodified.
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* If the user okays the dialog then the method returns a new
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* PageFormat object with the indicated changes.
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* In either case the original <code>page</code> object will
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* not be modified.
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* @param page the default PageFormat presented to the user
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* for modification
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* @return the original <code>page</code> object if the dialog
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* is cancelled, or a new PageFormat object containing
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* the format indicated by the user if the dialog is
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* acknowledged
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* @exception HeadlessException if GraphicsEnvironment.isHeadless()
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* returns true.
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* @see java.awt.GraphicsEnvironment#isHeadless
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* @since JDK1.2
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*/
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public PageFormat pageDialog(PageFormat page)
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throws HeadlessException {
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if (GraphicsEnvironment.isHeadless()) {
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throw new HeadlessException();
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}
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GraphicsConfiguration gc =
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GraphicsEnvironment.getLocalGraphicsEnvironment().
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getDefaultScreenDevice().getDefaultConfiguration();
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PrintService service = getPrintService();
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if (service == null) {
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ServiceDialog.showNoPrintService(gc);
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return page;
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}
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updatePageAttributes(service, page);
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PageFormat newPage = pageDialog(attributes);
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if (newPage == null) {
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return page;
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} else {
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return newPage;
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}
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}
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protected void updatePageAttributes(PrintService service,
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PageFormat page) {
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if (service == null || page == null)
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return;
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float x = (float)Math.rint(
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(page.getPaper().getWidth()*Size2DSyntax.INCH)/
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(72.0))/(float)Size2DSyntax.INCH;
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float y = (float)Math.rint(
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(page.getPaper().getHeight()*Size2DSyntax.INCH)/
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(72.0))/(float)Size2DSyntax.INCH;
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OrientationRequested orient;
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switch (page.getOrientation()) {
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case PageFormat.LANDSCAPE :
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orient = OrientationRequested.LANDSCAPE;
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break;
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case PageFormat.REVERSE_LANDSCAPE:
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orient = OrientationRequested.REVERSE_LANDSCAPE;
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break;
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default:
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orient = OrientationRequested.PORTRAIT;
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}
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if (attributes == null) {
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attributes = new HashPrintRequestAttributeSet();
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}
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attributes.add(orient);
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Media mediaArr[] = (Media[]) service.getSupportedAttributeValues(
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Media.class, null, null);
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Media media = null;
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try {
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media = findMedia(mediaArr, x, y, Size2DSyntax.INCH);
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} catch (IllegalArgumentException e) {
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}
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if (media == null ||
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!service.isAttributeValueSupported(media, null, null)) {
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media = (Media)service.getDefaultAttributeValue(Media.class);
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}
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if (media != null) {
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attributes.add(media);
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}
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float x2 = (float)(page.getPaper().getImageableX() / 72.0);
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float w = (float)(page.getPaper().getImageableWidth() / 72.0);
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float y2 = (float)(page.getPaper().getImageableY() / 72.0);
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float h = (float)(page.getPaper().getImageableHeight() / 72.0);
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try {
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attributes.add(new MediaPrintableArea(x2, y2, w, h,
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Size2DSyntax.INCH));
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} catch (IllegalArgumentException e) {
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// ignore
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}
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}
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private MediaSizeName findMedia(Media[] mediaArr, float x, float y,
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int units) {
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if (x <= 0 || y <= 0 || units < 1)
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throw new IllegalArgumentException("args must be +ve values");
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if (mediaArr == null || mediaArr.length == 0)
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throw new IllegalArgumentException(
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|
"args must have valid array of media");
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int count = 0;
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MediaSizeName names[] = new MediaSizeName[mediaArr.length];
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for (int i = 0; i < mediaArr.length; i++) {
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if (mediaArr[i] instanceof MediaSizeName) {
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names[count++] = (MediaSizeName)mediaArr[i];
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}
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}
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if (count == 0) {
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return null;
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}
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int bestIndex = 0;
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double d = x * x + y * y;
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Object obj = null;
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for (int i = 0; i < count; i++) {
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MediaSize mediasize = MediaSize.getMediaSizeForName(names[i]);
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if (mediasize == null) {
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continue;
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}
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float[] dim = mediasize.getSize(units);
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if (x == dim[0] && y == dim[1]) {
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bestIndex = i;
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break;
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}
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float x2 = x - dim[0];
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float y2 = y - dim[1];
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double d2 = x2 * x2 + y2 * y2;
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if (d2 < d) {
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d = d2;
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bestIndex = i;
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}
|
|
}
|
|
|
|
return names[bestIndex];
|
|
}
|
|
|
|
/**
|
|
* return a PageFormat corresponding to the updated attributes,
|
|
* or null if the user cancelled the dialog.
|
|
*/
|
|
public PageFormat pageDialog(final PrintRequestAttributeSet attributes)
|
|
throws HeadlessException {
|
|
if (GraphicsEnvironment.isHeadless()) {
|
|
throw new HeadlessException();
|
|
}
|
|
|
|
PageFormat newPage =
|
|
(PageFormat) java.security.AccessController.doPrivileged(
|
|
new java.security.PrivilegedAction() {
|
|
|
|
public Object run() {
|
|
GraphicsConfiguration gc =
|
|
GraphicsEnvironment.getLocalGraphicsEnvironment().
|
|
getDefaultScreenDevice().getDefaultConfiguration();
|
|
Rectangle bounds = gc.getBounds();
|
|
int x = bounds.x+bounds.width/3;
|
|
int y = bounds.y+bounds.height/3;
|
|
|
|
PrintService service = getPrintService();
|
|
if (service == null) {
|
|
ServiceDialog.showNoPrintService(gc);
|
|
return null;
|
|
}
|
|
|
|
boolean isNewFrame = false;
|
|
Window window =
|
|
KeyboardFocusManager.getCurrentKeyboardFocusManager().
|
|
getActiveWindow();
|
|
if (!(window instanceof Dialog) &&
|
|
!(window instanceof Frame)) {
|
|
window = new Frame();
|
|
isNewFrame = true;
|
|
}
|
|
ServiceDialog pageDialog;
|
|
if (window instanceof Frame) {
|
|
pageDialog = new ServiceDialog(gc, x, y, service,
|
|
DocFlavor.SERVICE_FORMATTED.PAGEABLE,
|
|
attributes, (Frame)window);
|
|
} else {
|
|
pageDialog = new ServiceDialog(gc, x, y, service,
|
|
DocFlavor.SERVICE_FORMATTED.PAGEABLE,
|
|
attributes, (Dialog)window);
|
|
}
|
|
pageDialog.show();
|
|
if (isNewFrame) {
|
|
window.dispose();
|
|
}
|
|
|
|
if (pageDialog.getStatus() == ServiceDialog.APPROVE) {
|
|
PrintRequestAttributeSet newas =
|
|
pageDialog.getAttributes();
|
|
Class amCategory = SunAlternateMedia.class;
|
|
|
|
if (attributes.containsKey(amCategory) &&
|
|
newas.containsKey(amCategory)) {
|
|
attributes.remove(amCategory);
|
|
}
|
|
attributes.addAll(newas);
|
|
|
|
PageFormat page = defaultPage();
|
|
|
|
OrientationRequested orient =
|
|
(OrientationRequested)
|
|
attributes.get(OrientationRequested.class);
|
|
int pfOrient = PageFormat.PORTRAIT;
|
|
if (orient != null) {
|
|
if (orient == OrientationRequested.REVERSE_LANDSCAPE) {
|
|
pfOrient = PageFormat.REVERSE_LANDSCAPE;
|
|
} else if (orient == OrientationRequested.LANDSCAPE) {
|
|
pfOrient = PageFormat.LANDSCAPE;
|
|
}
|
|
}
|
|
page.setOrientation(pfOrient);
|
|
|
|
Media media = (Media)attributes.get(Media.class);
|
|
if (media == null) {
|
|
media =
|
|
(Media)service.getDefaultAttributeValue(Media.class);
|
|
}
|
|
if (!(media instanceof MediaSizeName)) {
|
|
media = MediaSizeName.NA_LETTER;
|
|
}
|
|
MediaSize size =
|
|
MediaSize.getMediaSizeForName((MediaSizeName)media);
|
|
if (size == null) {
|
|
size = MediaSize.NA.LETTER;
|
|
}
|
|
int units = (int)(Size2DSyntax.INCH / 72.0);
|
|
Paper paper = new Paper();
|
|
float dim[] = size.getSize(units);
|
|
double w = Math.rint(dim[0]);
|
|
double h = Math.rint(dim[1]);
|
|
paper.setSize(w, h);
|
|
|
|
MediaPrintableArea area =
|
|
(MediaPrintableArea)
|
|
attributes.get(MediaPrintableArea.class);
|
|
double ix, iw, iy, ih;
|
|
|
|
if (area != null) {
|
|
ix = Math.rint(area.getX(Size2DSyntax.INCH) * DPI);
|
|
iy = Math.rint(area.getY(Size2DSyntax.INCH) * DPI);
|
|
iw = Math.rint(area.getWidth(Size2DSyntax.INCH) * DPI);
|
|
ih = Math.rint(area.getHeight(Size2DSyntax.INCH) * DPI);
|
|
}
|
|
else {
|
|
if (w >= 72.0 * 6.0) {
|
|
ix = 72.0;
|
|
iw = w - 2 * 72.0;
|
|
} else {
|
|
ix = w / 6.0;
|
|
iw = w * 0.75;
|
|
}
|
|
if (h >= 72.0 * 6.0) {
|
|
iy = 72.0;
|
|
ih = h - 2 * 72.0;
|
|
} else {
|
|
iy = h / 6.0;
|
|
ih = h * 0.75;
|
|
}
|
|
}
|
|
paper.setImageableArea(ix, iy, iw, ih);
|
|
page.setPaper(paper);
|
|
|
|
return page;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
});
|
|
return newPage;
|
|
}
|
|
|
|
/**
|
|
* Presents the user a dialog for changing properties of the
|
|
* print job interactively.
|
|
* The services browsable here are determined by the type of
|
|
* service currently installed.
|
|
* If the application installed a StreamPrintService on this
|
|
* PrinterJob, only the available StreamPrintService (factories) are
|
|
* browsable.
|
|
*
|
|
* @param attributes to store changed properties.
|
|
* @return false if the user cancels the dialog and true otherwise.
|
|
* @exception HeadlessException if GraphicsEnvironment.isHeadless()
|
|
* returns true.
|
|
* @see java.awt.GraphicsEnvironment#isHeadless
|
|
*/
|
|
public boolean printDialog(final PrintRequestAttributeSet attributes)
|
|
throws HeadlessException {
|
|
if (GraphicsEnvironment.isHeadless()) {
|
|
throw new HeadlessException();
|
|
}
|
|
|
|
/* A security check has already been performed in the
|
|
* java.awt.print.printerJob.getPrinterJob method.
|
|
* So by the time we get here, it is OK for the current thread
|
|
* to print either to a file (from a Dialog we control!) or
|
|
* to a chosen printer.
|
|
*
|
|
* We raise privilege when we put up the dialog, to avoid
|
|
* the "warning applet window" banner.
|
|
*/
|
|
Boolean doPrint = (Boolean)java.security.AccessController.doPrivileged(
|
|
new java.security.PrivilegedAction() {
|
|
public Object run() {
|
|
|
|
GraphicsConfiguration gc =
|
|
GraphicsEnvironment.getLocalGraphicsEnvironment().
|
|
getDefaultScreenDevice().getDefaultConfiguration();
|
|
PrintService service = getPrintService();
|
|
if (service == null) {
|
|
ServiceDialog.showNoPrintService(gc);
|
|
return Boolean.FALSE;
|
|
}
|
|
|
|
PrintService[] services;
|
|
StreamPrintServiceFactory[] spsFactories = null;
|
|
if (service instanceof StreamPrintService) {
|
|
spsFactories = lookupStreamPrintServices(null);
|
|
services = new StreamPrintService[spsFactories.length];
|
|
for (int i=0; i<spsFactories.length; i++) {
|
|
services[i] = spsFactories[i].getPrintService(null);
|
|
}
|
|
} else {
|
|
services = PrinterJob.lookupPrintServices();
|
|
if ((services == null) || (services.length == 0)) {
|
|
/*
|
|
* No services but default PrintService exists?
|
|
* Create services using defaultService.
|
|
*/
|
|
services = new PrintService[1];
|
|
services[0] = service;
|
|
}
|
|
}
|
|
|
|
Rectangle bounds = gc.getBounds();
|
|
int x = bounds.x+bounds.width/3;
|
|
int y = bounds.y+bounds.height/3;
|
|
PrintService newService =
|
|
ServiceUI.printDialog(gc, x, y,
|
|
services, service,
|
|
DocFlavor.SERVICE_FORMATTED.PAGEABLE,
|
|
attributes);
|
|
|
|
if (newService == null) {
|
|
return Boolean.FALSE;
|
|
}
|
|
|
|
if (!service.equals(newService)) {
|
|
try {
|
|
setPrintService(newService);
|
|
} catch (PrinterException e) {
|
|
}
|
|
}
|
|
return Boolean.TRUE;
|
|
}
|
|
});
|
|
|
|
return doPrint.booleanValue();
|
|
}
|
|
|
|
/**
|
|
* Presents the user a dialog for changing properties of the
|
|
* print job interactively.
|
|
* @returns false if the user cancels the dialog and
|
|
* true otherwise.
|
|
* @exception HeadlessException if GraphicsEnvironment.isHeadless()
|
|
* returns true.
|
|
* @see java.awt.GraphicsEnvironment#isHeadless
|
|
*/
|
|
public boolean printDialog() throws HeadlessException {
|
|
|
|
if (GraphicsEnvironment.isHeadless()) {
|
|
throw new HeadlessException();
|
|
}
|
|
|
|
PrintRequestAttributeSet attributes =
|
|
new HashPrintRequestAttributeSet();
|
|
attributes.add(new Copies(getCopies()));
|
|
attributes.add(new JobName(getJobName(), null));
|
|
|
|
try {
|
|
setAttributes(attributes);
|
|
} catch (PrinterException e) {
|
|
}
|
|
this.attributes = attributes;
|
|
|
|
boolean doPrint = printDialog(attributes);
|
|
if (doPrint) {
|
|
JobName jobName = (JobName)attributes.get(JobName.class);
|
|
if (jobName != null) {
|
|
setJobName(jobName.getValue());
|
|
}
|
|
Copies copies = (Copies)attributes.get(Copies.class);
|
|
if (copies != null) {
|
|
setCopies(copies.getValue());
|
|
}
|
|
|
|
Destination dest = (Destination)attributes.get(Destination.class);
|
|
|
|
if (dest != null) {
|
|
try {
|
|
mDestType = RasterPrinterJob.FILE;
|
|
mDestination = (new File(dest.getURI())).getPath();
|
|
} catch (Exception e) {
|
|
mDestination = "out.prn";
|
|
}
|
|
} else {
|
|
mDestType = RasterPrinterJob.PRINTER;
|
|
mDestination = getPrintService().getName();
|
|
}
|
|
try {
|
|
setAttributes(attributes);
|
|
} catch (PrinterException e) {
|
|
}
|
|
this.attributes = attributes;
|
|
}
|
|
|
|
return doPrint;
|
|
}
|
|
|
|
/**
|
|
* The pages in the document to be printed by this PrinterJob
|
|
* are drawn by the Printable object 'painter'. The PageFormat
|
|
* for each page is the default page format.
|
|
* @param Printable Called to render each page of the document.
|
|
*/
|
|
public void setPrintable(Printable painter) {
|
|
setPageable(new OpenBook(defaultPage(new PageFormat()), painter));
|
|
}
|
|
|
|
/**
|
|
* The pages in the document to be printed by this PrinterJob
|
|
* are drawn by the Printable object 'painter'. The PageFormat
|
|
* of each page is 'format'.
|
|
* @param Printable Called to render each page of the document.
|
|
* @param PageFormat The size and orientation of each page to
|
|
* be printed.
|
|
*/
|
|
public void setPrintable(Printable painter, PageFormat format) {
|
|
setPageable(new OpenBook(format, painter));
|
|
updatePageAttributes(getPrintService(), format);
|
|
}
|
|
|
|
/**
|
|
* The pages in the document to be printed are held by the
|
|
* Pageable instance 'document'. 'document' will be queried
|
|
* for the number of pages as well as the PageFormat and
|
|
* Printable for each page.
|
|
* @param Pageable The document to be printed. It may not be null.
|
|
* @exception NullPointerException the Pageable passed in was null.
|
|
* @see PageFormat
|
|
* @see Printable
|
|
*/
|
|
public void setPageable(Pageable document) throws NullPointerException {
|
|
if (document != null) {
|
|
mDocument = document;
|
|
|
|
} else {
|
|
throw new NullPointerException();
|
|
}
|
|
}
|
|
|
|
protected final boolean isOpenBook(Pageable pageable) {
|
|
return pageable instanceof OpenBook;
|
|
}
|
|
|
|
protected void initPrinter() {
|
|
return;
|
|
}
|
|
|
|
protected boolean isSupportedValue(Attribute attrval,
|
|
PrintRequestAttributeSet attrset) {
|
|
return
|
|
(attrval != null &&
|
|
getPrintService().isAttributeValueSupported(attrval,
|
|
DocFlavor.SERVICE_FORMATTED.PAGEABLE,
|
|
attrset));
|
|
}
|
|
|
|
/* subclasses may need to pull extra information out of the attribute set
|
|
* They can override this method & call super.setAttributes()
|
|
*/
|
|
protected void setAttributes(PrintRequestAttributeSet attributes)
|
|
throws PrinterException {
|
|
|
|
/* reset all values to defaults */
|
|
setCollated(false);
|
|
sidesAttr = null;
|
|
pageRangesAttr = null;
|
|
copiesAttr = 0;
|
|
jobNameAttr = null;
|
|
userNameAttr = null;
|
|
destinationAttr = null;
|
|
collateAttReq = false;
|
|
|
|
PrintService service = getPrintService();
|
|
if (attributes == null || service == null) {
|
|
return;
|
|
}
|
|
|
|
boolean fidelity = false;
|
|
Fidelity attrFidelity = (Fidelity)attributes.get(Fidelity.class);
|
|
if (attrFidelity != null && attrFidelity == Fidelity.FIDELITY_TRUE) {
|
|
fidelity = true;
|
|
}
|
|
|
|
if (fidelity == true) {
|
|
AttributeSet unsupported =
|
|
service.getUnsupportedAttributes(
|
|
DocFlavor.SERVICE_FORMATTED.PAGEABLE,
|
|
attributes);
|
|
if (unsupported != null) {
|
|
throw new PrinterException("Fidelity cannot be satisfied");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Since we have verified supported values if fidelity is true,
|
|
* we can either ignore unsupported values, or substitute a
|
|
* reasonable alternative
|
|
*/
|
|
|
|
SheetCollate collateAttr =
|
|
(SheetCollate)attributes.get(SheetCollate.class);
|
|
if (isSupportedValue(collateAttr, attributes)) {
|
|
setCollated(collateAttr == SheetCollate.COLLATED);
|
|
}
|
|
|
|
sidesAttr = (Sides)attributes.get(Sides.class);
|
|
if (!isSupportedValue(sidesAttr, attributes)) {
|
|
sidesAttr = Sides.ONE_SIDED;
|
|
}
|
|
|
|
pageRangesAttr = (PageRanges)attributes.get(PageRanges.class);
|
|
if (!isSupportedValue(pageRangesAttr, attributes)) {
|
|
pageRangesAttr = null;
|
|
}
|
|
|
|
Copies copies = (Copies)attributes.get(Copies.class);
|
|
if (isSupportedValue(copies, attributes) ||
|
|
(!fidelity & copies != null)) {
|
|
copiesAttr = copies.getValue();
|
|
} else {
|
|
copiesAttr = getCopies();
|
|
}
|
|
|
|
Destination destination =
|
|
(Destination)attributes.get(Destination.class);
|
|
if (isSupportedValue(destination, attributes)) {
|
|
destinationAttr = "out.prn";
|
|
try {
|
|
destinationAttr = (new File(destination.getURI())).getPath();
|
|
} catch (Exception e) {
|
|
}
|
|
}
|
|
|
|
JobSheets jobSheets = (JobSheets)attributes.get(JobSheets.class);
|
|
if (jobSheets != null) {
|
|
noJobSheet = jobSheets == JobSheets.NONE;
|
|
}
|
|
|
|
JobName jobName = (JobName)attributes.get(JobName.class);
|
|
if (isSupportedValue(jobName, attributes) ||
|
|
(!fidelity & jobName != null)) {
|
|
jobNameAttr = jobName.getValue();
|
|
} else {
|
|
jobNameAttr = getJobName();
|
|
}
|
|
|
|
RequestingUserName userName =
|
|
(RequestingUserName)attributes.get(RequestingUserName.class);
|
|
if (isSupportedValue(userName, attributes) ||
|
|
(!fidelity & userName != null)) {
|
|
userNameAttr = userName.getValue();
|
|
} else {
|
|
try {
|
|
userNameAttr = getUserName();
|
|
} catch (SecurityException e) {
|
|
userNameAttr = "";
|
|
}
|
|
}
|
|
|
|
/* OpenBook is used internally only when app uses Printable.
|
|
* This is the case when we use the values from the attribute set.
|
|
*/
|
|
Media media = (Media)attributes.get(Media.class);
|
|
OrientationRequested orientReq =
|
|
(OrientationRequested)attributes.get(OrientationRequested.class);
|
|
MediaPrintableArea mpa =
|
|
(MediaPrintableArea)attributes.get(MediaPrintableArea.class);
|
|
if ((orientReq != null || media != null || mpa != null) &&
|
|
isOpenBook(getPageable())) {
|
|
|
|
Pageable pageable = getPageable();
|
|
Printable printable = pageable.getPrintable(0);
|
|
PageFormat pf = (PageFormat)pageable.getPageFormat(0).clone();
|
|
Paper paper = pf.getPaper();
|
|
|
|
if (isSupportedValue(orientReq, attributes) ||
|
|
(!fidelity & orientReq != null)) {
|
|
int orient;
|
|
if (orientReq.equals(OrientationRequested.REVERSE_LANDSCAPE)) {
|
|
orient = PageFormat.REVERSE_LANDSCAPE;
|
|
} else if (orientReq.equals(OrientationRequested.LANDSCAPE)) {
|
|
orient = PageFormat.LANDSCAPE;
|
|
} else {
|
|
orient = PageFormat.PORTRAIT;
|
|
}
|
|
pf.setOrientation(orient);
|
|
}
|
|
|
|
if (isSupportedValue(mpa, attributes) ||
|
|
(!fidelity & mpa != null)) {
|
|
float [] printableArea =
|
|
mpa.getPrintableArea(MediaPrintableArea.INCH);
|
|
for (int i=0; i < printableArea.length; i++) {
|
|
printableArea[i] = printableArea[i] * DPI;
|
|
}
|
|
paper.setImageableArea(printableArea[0], printableArea[1],
|
|
printableArea[2], printableArea[3]);
|
|
}
|
|
|
|
if (isSupportedValue(media, attributes) ||
|
|
(!fidelity & media != null)) {
|
|
if (media instanceof MediaSizeName) {
|
|
MediaSizeName msn = (MediaSizeName)media;
|
|
MediaSize msz = MediaSize.getMediaSizeForName(msn);
|
|
// temporary fix for Exception caused by TABLOID
|
|
// - not listed in MediaSize
|
|
if ((msz == null) && (msn == MediaSizeName.TABLOID)) {
|
|
msz = MediaSize.Other.LEDGER;
|
|
}
|
|
if (msz != null) {
|
|
float paperWid = msz.getX(MediaSize.INCH) * DPI;
|
|
float paperHgt = msz.getY(MediaSize.INCH) * DPI;
|
|
paper.setSize(paperWid, paperHgt);
|
|
}
|
|
}
|
|
}
|
|
|
|
pf.setPaper(paper);
|
|
pf = validatePage(pf);
|
|
setPrintable(printable, pf);
|
|
} else {
|
|
this.attributes = attributes;
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
* Services we don't recognize as built-in services can't be
|
|
* implemented as subclasses of PrinterJob, therefore we create
|
|
* a DocPrintJob from their service and pass a Doc representing
|
|
* the application's printjob
|
|
*/
|
|
private void spoolToService(PrintRequestAttributeSet attributes)
|
|
throws PrinterException {
|
|
|
|
DocPrintJob job = getPrintService().createPrintJob();
|
|
Doc doc = new PageableDoc(getPageable());
|
|
if (attributes == null) {
|
|
attributes = new HashPrintRequestAttributeSet();
|
|
}
|
|
try {
|
|
job.print(doc, attributes);
|
|
} catch (PrintException e) {
|
|
throw new PrinterException(e.toString());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Prints a set of pages.
|
|
* @exception java.awt.print.PrinterException an error in the print system
|
|
* caused the job to be aborted
|
|
* @see java.awt.print.Book
|
|
* @see java.awt.print.Pageable
|
|
* @see java.awt.print.Printable
|
|
*/
|
|
public void print() throws PrinterException {
|
|
print(attributes);
|
|
}
|
|
|
|
public void print(PrintRequestAttributeSet attributes)
|
|
throws PrinterException {
|
|
|
|
/*
|
|
* In the future PrinterJob will probably always dispatch
|
|
* the print job to the PrintService.
|
|
* This is how third party 2D Print Services will be invoked
|
|
* when applications use the PrinterJob API.
|
|
* However the JRE's concrete PrinterJob implementations have
|
|
* not yet been re-worked to be implemented as standalone
|
|
* services, and are implemented only as subclasses of PrinterJob.
|
|
* So here we dispatch only those services we do not recognize
|
|
* as implemented through platform subclasses of PrinterJob
|
|
* (and this class).
|
|
*/
|
|
PrintService psvc = getPrintService();
|
|
if (psvc == null) {
|
|
throw new PrinterException("No print service found.");
|
|
}
|
|
if ((psvc instanceof SunPrinterJobService) &&
|
|
((SunPrinterJobService)psvc).usesClass(getClass())) {
|
|
setAttributes(attributes);
|
|
} else {
|
|
spoolToService(attributes);
|
|
return;
|
|
}
|
|
/* We need to make sure that the collation and copies
|
|
* settings are initialised */
|
|
initPrinter();
|
|
|
|
int numCollatedCopies = getCollatedCopies();
|
|
int numNonCollatedCopies = getNoncollatedCopies();
|
|
|
|
/* Get the range of pages we are to print. If the
|
|
* last page to print is unknown, then we print to
|
|
* the end of the document. Note that firstPage
|
|
* and lastPage are 0 based page indices.
|
|
*/
|
|
int numPages = mDocument.getNumberOfPages();
|
|
|
|
int firstPage = getFirstPage();
|
|
int lastPage = getLastPage();
|
|
if(lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES){
|
|
int totalPages = mDocument.getNumberOfPages();
|
|
if (totalPages != Pageable.UNKNOWN_NUMBER_OF_PAGES) {
|
|
lastPage = mDocument.getNumberOfPages() - 1;
|
|
}
|
|
}
|
|
|
|
try {
|
|
synchronized (this) {
|
|
performingPrinting = true;
|
|
userCancelled = false;
|
|
}
|
|
|
|
startDoc();
|
|
if (isCancelled()) {
|
|
cancelDoc();
|
|
}
|
|
|
|
/* Three nested loops iterate over the document. The outer loop
|
|
* counts the number of collated copies while the inner loop
|
|
* counts the number of nonCollated copies. Normally, one of
|
|
* these two loops will only execute once; that is we will
|
|
* either print collated copies or noncollated copies. The
|
|
* middle loop iterates over the pages.
|
|
* If a PageRanges attribute is used, it constrains the pages
|
|
* that are imaged. If a platform subclass (though a user dialog)
|
|
* requests a page range via setPageRange(). it too can
|
|
* constrain the page ranges that are imaged.
|
|
* It is expected that only one of these will be used in a
|
|
* job but both should be able to co-exist.
|
|
*/
|
|
for(int collated = 0; collated < numCollatedCopies; collated++) {
|
|
for(int i = firstPage, pageResult = Printable.PAGE_EXISTS;
|
|
(i <= lastPage ||
|
|
lastPage == Pageable.UNKNOWN_NUMBER_OF_PAGES)
|
|
&& pageResult == Printable.PAGE_EXISTS;
|
|
i++)
|
|
{
|
|
if (pageRangesAttr != null) {
|
|
int nexti = pageRangesAttr.next(i);
|
|
if (nexti == -1) {
|
|
break;
|
|
} else if (nexti != i+1) {
|
|
continue;
|
|
}
|
|
}
|
|
for(int nonCollated = 0;
|
|
nonCollated < numNonCollatedCopies
|
|
&& pageResult == Printable.PAGE_EXISTS;
|
|
nonCollated++)
|
|
{
|
|
if (isCancelled()) {
|
|
cancelDoc();
|
|
}
|
|
pageResult = printPage(mDocument, i);
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isCancelled()) {
|
|
cancelDoc();
|
|
}
|
|
|
|
} finally {
|
|
synchronized (this) {
|
|
if (performingPrinting) {
|
|
endDoc();
|
|
}
|
|
performingPrinting = false;
|
|
notify();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* updates a Paper object to reflect the current printer's selected
|
|
* paper size and imageable area for that paper size.
|
|
* Default implementation copies settings from the original, applies
|
|
* applies some validity checks, changes them only if they are
|
|
* clearly unreasonable, then sets them into the new Paper.
|
|
* Subclasses are expected to override this method to make more
|
|
* informed decisons.
|
|
*/
|
|
protected void validatePaper(Paper origPaper, Paper newPaper) {
|
|
if (origPaper == null || newPaper == null) {
|
|
return;
|
|
} else {
|
|
double wid = origPaper.getWidth();
|
|
double hgt = origPaper.getHeight();
|
|
double ix = origPaper.getImageableX();
|
|
double iy = origPaper.getImageableY();
|
|
double iw = origPaper.getImageableWidth();
|
|
double ih = origPaper.getImageableHeight();
|
|
|
|
/* Assume any +ve values are legal. Overall paper dimensions
|
|
* take precedence. Make sure imageable area fits on the paper.
|
|
*/
|
|
Paper defaultPaper = new Paper();
|
|
wid = ((wid > 0.0) ? wid : defaultPaper.getWidth());
|
|
hgt = ((hgt > 0.0) ? hgt : defaultPaper.getHeight());
|
|
ix = ((ix > 0.0) ? ix : defaultPaper.getImageableX());
|
|
iy = ((iy > 0.0) ? iy : defaultPaper.getImageableY());
|
|
iw = ((iw > 0.0) ? iw : defaultPaper.getImageableWidth());
|
|
ih = ((ih > 0.0) ? ih : defaultPaper.getImageableHeight());
|
|
/* full width/height is not likely to be imageable, but since we
|
|
* don't know the limits we have to allow it
|
|
*/
|
|
if (iw > wid) {
|
|
iw = wid;
|
|
}
|
|
if (ih > hgt) {
|
|
ih = hgt;
|
|
}
|
|
if ((ix + iw) > wid) {
|
|
ix = wid - iw;
|
|
}
|
|
if ((iy + ih) > hgt) {
|
|
iy = hgt - ih;
|
|
}
|
|
newPaper.setSize(wid, hgt);
|
|
newPaper.setImageableArea(ix, iy, iw, ih);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The passed in PageFormat will be copied and altered to describe
|
|
* the default page size and orientation of the PrinterJob's
|
|
* current printer.
|
|
*/
|
|
public PageFormat defaultPage(PageFormat page) {
|
|
PageFormat newPage = (PageFormat)page.clone();
|
|
newPage.setOrientation(PageFormat.PORTRAIT);
|
|
Paper newPaper = new Paper();
|
|
|
|
/* Default to A4 paper outside North America. Platform
|
|
* subclasses which can access the actual default paper size
|
|
* for a printer should override this method.
|
|
*/
|
|
String defaultCountry = Locale.getDefault().getCountry();
|
|
if (defaultCountry != null &&
|
|
(!defaultCountry.equals(Locale.US.getCountry()) &&
|
|
!defaultCountry.equals(Locale.CANADA.getCountry()))) {
|
|
|
|
double mmPerInch = 25.4;
|
|
double ptsPerInch = 72.0;
|
|
double a4Width = Math.rint((210.0*ptsPerInch)/mmPerInch);
|
|
double a4Height = Math.rint((297.0*ptsPerInch)/mmPerInch);
|
|
newPaper.setSize(a4Width, a4Height);
|
|
newPaper.setImageableArea(ptsPerInch, ptsPerInch,
|
|
a4Width - 2.0*ptsPerInch,
|
|
a4Height - 2.0*ptsPerInch);
|
|
}
|
|
|
|
newPage.setPaper(newPaper);
|
|
|
|
return newPage;
|
|
}
|
|
|
|
/**
|
|
* The passed in PageFormat is cloned and altered to be usable on
|
|
* the PrinterJob's current printer.
|
|
*/
|
|
public PageFormat validatePage(PageFormat page) {
|
|
PageFormat newPage = (PageFormat)page.clone();
|
|
Paper newPaper = new Paper();
|
|
validatePaper(newPage.getPaper(), newPaper);
|
|
newPage.setPaper(newPaper);
|
|
|
|
return newPage;
|
|
}
|
|
|
|
/**
|
|
* Set the number of copies to be printed.
|
|
*/
|
|
public void setCopies(int copies) {
|
|
mNumCopies = copies;
|
|
}
|
|
|
|
/**
|
|
* Get the number of copies to be printed.
|
|
*/
|
|
public int getCopies() {
|
|
return mNumCopies;
|
|
}
|
|
|
|
/* Used when executing a print job where an attribute set may
|
|
* over ride API values.
|
|
*/
|
|
protected int getCopiesInt() {
|
|
return (copiesAttr > 0) ? copiesAttr : getCopies();
|
|
}
|
|
|
|
/**
|
|
* Get the name of the printing user.
|
|
* The caller must have security permission to read system properties.
|
|
*/
|
|
public String getUserName() {
|
|
return System.getProperty("user.name");
|
|
}
|
|
|
|
/* Used when executing a print job where an attribute set may
|
|
* over ride API values.
|
|
*/
|
|
protected String getUserNameInt() {
|
|
if (userNameAttr != null) {
|
|
return userNameAttr;
|
|
} else {
|
|
try {
|
|
return getUserName();
|
|
} catch (SecurityException e) {
|
|
return "";
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the name of the document to be printed.
|
|
* The document name can not be null.
|
|
*/
|
|
public void setJobName(String jobName) {
|
|
if (jobName != null) {
|
|
mDocName = jobName;
|
|
} else {
|
|
throw new NullPointerException();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the name of the document to be printed.
|
|
*/
|
|
public String getJobName() {
|
|
return mDocName;
|
|
}
|
|
|
|
/* Used when executing a print job where an attribute set may
|
|
* over ride API values.
|
|
*/
|
|
protected String getJobNameInt() {
|
|
return (jobNameAttr != null) ? jobNameAttr : getJobName();
|
|
}
|
|
|
|
/**
|
|
* Set the range of pages from a Book to be printed.
|
|
* Both 'firstPage' and 'lastPage' are zero based
|
|
* page indices. If either parameter is less than
|
|
* zero then the page range is set to be from the
|
|
* first page to the last.
|
|
*/
|
|
protected void setPageRange(int firstPage, int lastPage) {
|
|
if(firstPage >= 0 && lastPage >= 0) {
|
|
mFirstPage = firstPage;
|
|
mLastPage = lastPage;
|
|
if(mLastPage < mFirstPage) mLastPage = mFirstPage;
|
|
} else {
|
|
mFirstPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
|
|
mLastPage = Pageable.UNKNOWN_NUMBER_OF_PAGES;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the zero based index of the first page to
|
|
* be printed in this job.
|
|
*/
|
|
protected int getFirstPage() {
|
|
return mFirstPage == Book.UNKNOWN_NUMBER_OF_PAGES ? 0 : mFirstPage;
|
|
}
|
|
|
|
/**
|
|
* Return the zero based index of the last page to
|
|
* be printed in this job.
|
|
*/
|
|
protected int getLastPage() {
|
|
return mLastPage;
|
|
}
|
|
|
|
/**
|
|
* Set whether copies should be collated or not.
|
|
* Two collated copies of a three page document
|
|
* print in this order: 1, 2, 3, 1, 2, 3 while
|
|
* uncollated copies print in this order:
|
|
* 1, 1, 2, 2, 3, 3.
|
|
* This is set when request is using an attribute set.
|
|
*/
|
|
protected void setCollated(boolean collate) {
|
|
mCollate = collate;
|
|
collateAttReq = true;
|
|
}
|
|
|
|
/**
|
|
* Return true if collated copies will be printed as determined
|
|
* in an attribute set.
|
|
*/
|
|
protected boolean isCollated() {
|
|
return mCollate;
|
|
}
|
|
|
|
/**
|
|
* Called by the print() method at the start of
|
|
* a print job.
|
|
*/
|
|
protected abstract void startDoc() throws PrinterException;
|
|
|
|
/**
|
|
* Called by the print() method at the end of
|
|
* a print job.
|
|
*/
|
|
protected abstract void endDoc() throws PrinterException;
|
|
|
|
/* Called by cancelDoc */
|
|
protected abstract void abortDoc();
|
|
|
|
private void cancelDoc() throws PrinterAbortException {
|
|
abortDoc();
|
|
synchronized (this) {
|
|
userCancelled = false;
|
|
performingPrinting = false;
|
|
notify();
|
|
}
|
|
throw new PrinterAbortException();
|
|
}
|
|
|
|
/**
|
|
* Returns how many times the entire book should
|
|
* be printed by the PrintJob. If the printer
|
|
* itself supports collation then this method
|
|
* should return 1 indicating that the entire
|
|
* book need only be printed once and the copies
|
|
* will be collated and made in the printer.
|
|
*/
|
|
protected int getCollatedCopies() {
|
|
return isCollated() ? getCopiesInt() : 1;
|
|
}
|
|
|
|
/**
|
|
* Returns how many times each page in the book
|
|
* should be consecutively printed by PrintJob.
|
|
* If the printer makes copies itself then this
|
|
* method should return 1.
|
|
*/
|
|
protected int getNoncollatedCopies() {
|
|
return isCollated() ? 1 : getCopiesInt();
|
|
}
|
|
|
|
/**
|
|
* Print a page from the provided document.
|
|
* @return int Printable.PAGE_EXISTS if the page existed and was drawn and
|
|
* Printable.NO_SUCH_PAGE if the page did not exist.
|
|
* @see java.awt.print.Printable
|
|
*/
|
|
protected int printPage(Pageable document, int pageIndex)
|
|
throws PrinterException
|
|
{
|
|
PageFormat page;
|
|
Printable painter;
|
|
try {
|
|
page = document.getPageFormat(pageIndex);
|
|
painter = document.getPrintable(pageIndex);
|
|
} catch (Exception e) {
|
|
throw new PrinterException("No page or printable exists.");
|
|
}
|
|
|
|
/* Get the imageable area from Paper instead of PageFormat
|
|
* because we do not want it adjusted by the page orientation.
|
|
*/
|
|
Paper paper = page.getPaper();
|
|
double xScale = getXRes() / 72.0;
|
|
double yScale = getYRes() / 72.0;
|
|
|
|
/* The deviceArea is the imageable area in the printer's
|
|
* resolution.
|
|
*/
|
|
Rectangle2D deviceArea =
|
|
new Rectangle2D.Double(paper.getImageableX() * xScale,
|
|
paper.getImageableY() * yScale,
|
|
paper.getImageableWidth() * xScale,
|
|
paper.getImageableHeight() * yScale);
|
|
|
|
/* Build and hold on to a uniform transform so that
|
|
* we can get back to device space at the beginning
|
|
* of each band.
|
|
*/
|
|
AffineTransform uniformTransform = new AffineTransform();
|
|
|
|
/* The scale transform is used to switch from the
|
|
* device space to the user's 72 dpi space.
|
|
*/
|
|
AffineTransform scaleTransform = new AffineTransform();
|
|
scaleTransform.scale(xScale, yScale);
|
|
|
|
/* bandwidth is multiple of 4 as the data is used in a win32 DIB and
|
|
* some drivers behave badly if scanlines aren't multiples of 4 bytes.
|
|
*/
|
|
int bandWidth = (int) deviceArea.getWidth();
|
|
if (bandWidth % 4 != 0) {
|
|
bandWidth += (4 - (bandWidth % 4));
|
|
}
|
|
if (bandWidth <= 0) {
|
|
throw new PrinterException("Paper's imageable width is too small.");
|
|
}
|
|
|
|
int deviceAreaHeight = (int)deviceArea.getHeight();
|
|
if (deviceAreaHeight <= 0) {
|
|
throw new PrinterException("Paper's imageable height is too small.");
|
|
}
|
|
|
|
/* Figure out the number of lines that will fit into
|
|
* our maximum band size. The hard coded 3 reflects the
|
|
* fact that we can only create 24 bit per pixel 3 byte BGR
|
|
* BufferedImages. FIX.
|
|
*/
|
|
int bandHeight = (int)(MAX_BAND_SIZE / bandWidth / 3);
|
|
|
|
int deviceLeft = (int)Math.rint(paper.getImageableX() * xScale);
|
|
int deviceTop = (int)Math.rint(paper.getImageableY() * yScale);
|
|
|
|
/* The device transform is used to move the band down
|
|
* the page using translates. Normally this is all it
|
|
* would do, but since, when printing, the Window's
|
|
* DIB format wants the last line to be first (lowest) in
|
|
* memory, the deviceTransform moves the origin to the
|
|
* bottom of the band and flips the origin. This way the
|
|
* app prints upside down into the band which is the DIB
|
|
* format.
|
|
*/
|
|
AffineTransform deviceTransform = new AffineTransform();
|
|
deviceTransform.translate(-deviceLeft, deviceTop);
|
|
deviceTransform.translate(0, bandHeight);
|
|
deviceTransform.scale(1, -1);
|
|
|
|
/* Create a BufferedImage to hold the band. We set the clip
|
|
* of the band to be tight around the bits so that the
|
|
* application can use it to figure what part of the
|
|
* page needs to be drawn. The clip is never altered in
|
|
* this method, but we do translate the band's coordinate
|
|
* system so that the app will see the clip moving down the
|
|
* page though it s always around the same set of pixels.
|
|
*/
|
|
BufferedImage pBand = new BufferedImage(1, 1,
|
|
BufferedImage.TYPE_3BYTE_BGR);
|
|
|
|
/* Have the app draw into a PeekGraphics object so we can
|
|
* learn something about the needs of the print job.
|
|
*/
|
|
|
|
PeekGraphics peekGraphics = createPeekGraphics(pBand.createGraphics(),
|
|
this);
|
|
|
|
Rectangle2D.Double pageFormatArea =
|
|
new Rectangle2D.Double(page.getImageableX(),
|
|
page.getImageableY(),
|
|
page.getImageableWidth(),
|
|
page.getImageableHeight());
|
|
initPrinterGraphics(peekGraphics, pageFormatArea);
|
|
//initPrinterGraphics(peekGraphics, deviceArea);
|
|
|
|
int pageResult = painter.print(peekGraphics, page, pageIndex);
|
|
|
|
if (pageResult == Printable.PAGE_EXISTS) {
|
|
|
|
startPage(page, painter, pageIndex);
|
|
|
|
Graphics2D pathGraphics = createPathGraphics(peekGraphics, this,
|
|
painter, page,
|
|
pageIndex);
|
|
|
|
/* If we can convert the page directly to the
|
|
* underlying graphics system then we do not
|
|
* need to rasterize. We also may not need to
|
|
* create the 'band' if all the pages can take
|
|
* this path.
|
|
*/
|
|
if (pathGraphics != null) {
|
|
pathGraphics.transform(scaleTransform);
|
|
// user (0,0) should be origin of page, not imageable area
|
|
pathGraphics.translate(-getPhysicalPrintableX(paper) / xScale,
|
|
-getPhysicalPrintableY(paper) / yScale);
|
|
pathGraphics.transform(new AffineTransform(page.getMatrix()));
|
|
initPrinterGraphics(pathGraphics, pageFormatArea);
|
|
|
|
redrawList.clear();
|
|
|
|
painter.print(pathGraphics, page, pageIndex);
|
|
|
|
for (int i=0;i<redrawList.size();i++) {
|
|
GraphicsState gstate = (GraphicsState)redrawList.get(i);
|
|
pathGraphics.setTransform(gstate.theTransform);
|
|
pathGraphics.setClip(gstate.theClip);
|
|
((PathGraphics)pathGraphics).redrawRegion(
|
|
gstate.region,
|
|
gstate.sx,
|
|
gstate.sy,
|
|
gstate.imageSrcRect,
|
|
gstate.imageTransform);
|
|
}
|
|
|
|
/* This is the banded-raster printing loop.
|
|
* It should be moved into its own method.
|
|
*/
|
|
} else {
|
|
BufferedImage band = cachedBand;
|
|
if (cachedBand == null ||
|
|
bandWidth != cachedBandWidth ||
|
|
bandHeight != cachedBandHeight) {
|
|
band = new BufferedImage(bandWidth, bandHeight,
|
|
BufferedImage.TYPE_3BYTE_BGR);
|
|
cachedBand = band;
|
|
cachedBandWidth = bandWidth;
|
|
cachedBandHeight = bandHeight;
|
|
}
|
|
Graphics2D bandGraphics = band.createGraphics();
|
|
|
|
Rectangle2D.Double clipArea =
|
|
new Rectangle2D.Double(0, 0, bandWidth, bandHeight);
|
|
|
|
initPrinterGraphics(bandGraphics, clipArea);
|
|
|
|
ProxyGraphics2D painterGraphics =
|
|
new ProxyGraphics2D(bandGraphics, this);
|
|
|
|
Graphics2D clearGraphics = band.createGraphics();
|
|
clearGraphics.setColor(Color.white);
|
|
|
|
/* We need the actual bits of the BufferedImage to send to
|
|
* the native Window's code. 'data' points to the actual
|
|
* pixels. Right now these are in ARGB format with 8 bits
|
|
* per component. We need to use a monochrome BufferedImage
|
|
* for monochrome printers when this is supported by
|
|
* BufferedImage. FIX
|
|
*/
|
|
ByteInterleavedRaster tile = (ByteInterleavedRaster)band.getRaster();
|
|
byte[] data = tile.getDataStorage();
|
|
|
|
/* Loop over the page moving our band down the page,
|
|
* calling the app to render the band, and then send the band
|
|
* to the printer.
|
|
*/
|
|
int deviceBottom = deviceTop + deviceAreaHeight;
|
|
|
|
/* device's printable x,y is really addressable origin
|
|
* we address relative to media origin so when we print a
|
|
* band we need to adjust for the different methods of
|
|
* addressing it.
|
|
*/
|
|
int deviceAddressableX = (int)getPhysicalPrintableX(paper);
|
|
int deviceAddressableY = (int)getPhysicalPrintableY(paper);
|
|
|
|
for (int bandTop = 0; bandTop <= deviceAreaHeight;
|
|
bandTop += bandHeight)
|
|
{
|
|
|
|
/* Put the band back into device space and
|
|
* erase the contents of the band.
|
|
*/
|
|
clearGraphics.fillRect(0, 0, bandWidth, bandHeight);
|
|
|
|
/* Put the band into the correct location on the
|
|
* page. Once the band is moved we translate the
|
|
* device transform so that the band will move down
|
|
* the page on the next iteration of the loop.
|
|
*/
|
|
bandGraphics.setTransform(uniformTransform);
|
|
bandGraphics.transform(deviceTransform);
|
|
deviceTransform.translate(0, -bandHeight);
|
|
|
|
/* Switch the band from device space to user,
|
|
* 72 dpi, space.
|
|
*/
|
|
bandGraphics.transform(scaleTransform);
|
|
bandGraphics.transform(new AffineTransform(page.getMatrix()));
|
|
|
|
Rectangle clip = bandGraphics.getClipBounds();
|
|
|
|
if ((clip == null) || peekGraphics.hitsDrawingArea(clip) &&
|
|
(bandWidth > 0 && bandHeight > 0)) {
|
|
|
|
/* if the client has specified an imageable X or Y
|
|
* which is off than the physically addressable
|
|
* area of the page, then we need to adjust for that
|
|
* here so that we pass only non -ve band coordinates
|
|
* We also need to translate by the adjusted amount
|
|
* so that printing appears in the correct place.
|
|
*/
|
|
int bandX = deviceLeft - deviceAddressableX;
|
|
if (bandX < 0) {
|
|
bandGraphics.translate(bandX/xScale,0);
|
|
bandX = 0;
|
|
}
|
|
int bandY = deviceTop + bandTop - deviceAddressableY;
|
|
if (bandY < 0) {
|
|
bandGraphics.translate(0,bandY/yScale);
|
|
bandY = 0;
|
|
}
|
|
/* Have the app's painter image into the band
|
|
* and then send the band to the printer.
|
|
*/
|
|
painterGraphics.setDelegate((Graphics2D) bandGraphics.create());
|
|
painter.print(painterGraphics, page, pageIndex);
|
|
painterGraphics.dispose();
|
|
printBand(data, bandX, bandY, bandWidth, bandHeight);
|
|
}
|
|
}
|
|
|
|
clearGraphics.dispose();
|
|
bandGraphics.dispose();
|
|
|
|
}
|
|
endPage(page, painter, pageIndex);
|
|
}
|
|
|
|
return pageResult;
|
|
}
|
|
|
|
/**
|
|
* If a print job is in progress, print() has been
|
|
* called but has not returned, then this signals
|
|
* that the job should be cancelled and the next
|
|
* chance. If there is no print job in progress then
|
|
* this call does nothing.
|
|
*/
|
|
public void cancel() {
|
|
synchronized (this) {
|
|
if (performingPrinting) {
|
|
userCancelled = true;
|
|
}
|
|
notify();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns true is a print job is ongoing but will
|
|
* be cancelled and the next opportunity. false is
|
|
* returned otherwise.
|
|
*/
|
|
public boolean isCancelled() {
|
|
|
|
boolean cancelled = false;
|
|
|
|
synchronized (this) {
|
|
cancelled = (performingPrinting && userCancelled);
|
|
notify();
|
|
}
|
|
|
|
return cancelled;
|
|
}
|
|
|
|
/**
|
|
* Return the Pageable describing the pages to be printed.
|
|
*/
|
|
protected Pageable getPageable() {
|
|
return mDocument;
|
|
}
|
|
|
|
/**
|
|
* Examine the metrics captured by the
|
|
* <code>PeekGraphics</code> instance and
|
|
* if capable of directly converting this
|
|
* print job to the printer's control language
|
|
* or the native OS's graphics primitives, then
|
|
* return a <code>PathGraphics</code> to perform
|
|
* that conversion. If there is not an object
|
|
* capable of the conversion then return
|
|
* <code>null</code>. Returning <code>null</code>
|
|
* causes the print job to be rasterized.
|
|
*/
|
|
protected Graphics2D createPathGraphics(PeekGraphics graphics,
|
|
PrinterJob printerJob,
|
|
Printable painter,
|
|
PageFormat pageFormat,
|
|
int pageIndex) {
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Create and return an object that will
|
|
* gather and hold metrics about the print
|
|
* job. This method is passed a <code>Graphics2D</code>
|
|
* object that can be used as a proxy for the
|
|
* object gathering the print job matrics. The
|
|
* method is also supplied with the instance
|
|
* controlling the print job, <code>printerJob</code>.
|
|
*/
|
|
protected PeekGraphics createPeekGraphics(Graphics2D graphics,
|
|
PrinterJob printerJob) {
|
|
|
|
return new PeekGraphics(graphics, printerJob);
|
|
}
|
|
|
|
/**
|
|
* Configure the passed in Graphics2D so that
|
|
* is contains the defined initial settings
|
|
* for a print job. These settings are:
|
|
* color: black.
|
|
* clip: <as passed in>
|
|
*/
|
|
void initPrinterGraphics(Graphics2D g, Rectangle2D clip) {
|
|
|
|
g.setClip(clip);
|
|
g.setPaint(Color.black);
|
|
}
|
|
|
|
|
|
/**
|
|
* User dialogs should disable "File" buttons if this returns false.
|
|
*
|
|
*/
|
|
public boolean checkAllowedToPrintToFile() {
|
|
try {
|
|
throwPrintToFile();
|
|
return true;
|
|
} catch (SecurityException e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Break this out as it may be useful when we allow API to
|
|
* specify printing to a file. In that case its probably right
|
|
* to throw a SecurityException if the permission is not granted
|
|
*/
|
|
private void throwPrintToFile() {
|
|
SecurityManager security = System.getSecurityManager();
|
|
if (security != null) {
|
|
if (printToFilePermission == null) {
|
|
printToFilePermission =
|
|
new FilePermission("<<ALL FILES>>", "read,write");
|
|
}
|
|
security.checkPermission(printToFilePermission);
|
|
}
|
|
}
|
|
|
|
}
|